Creating simple program to add, remove and clear items from a ListBox in C#.
Today, we will do a program to add, change, remove and clear items from a list box.
We will use a text box for adding and changing items in list box. We will use two button to delete and clear items in list box.
Output:

C# Code:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace FormExample2 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void btnAdd_Click(object sender, EventArgs e) { listName.Items.Add(txtName.Text); txtName.Clear(); } private void btnChange_Click(object sender, EventArgs e) { if (listName.SelectedIndex > -1) listName.Items[listName.SelectedIndex] = txtName.Text; else MessageBox.Show("Select an item in listbox"); txtName.Clear(); } private void btnRemove_Click(object sender, EventArgs e) { if (listName.SelectedIndex > -1) listName.Items.RemoveAt(listName.SelectedIndex); else MessageBox.Show("Select an item in listbox"); } private void btnClear_Click(object sender, EventArgs e) { listName.Items.Clear(); } } } |